Top definition
(EN-lerdy) a pretty girl with a HUGE vagina. Preferably named casey or amy. It could also mean that your vagina/penis feels like it is going to burst open and fall of after sex. It should be sensational.
Person 1: "Oh, my nlerdie just bursted...feels gooooood!"

Person 2: "Casey is a nlerdie!"

Person 3: "I wanna' get me some nlerdie!"
by iwannafuckamyandcasey January 11, 2010
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